Home / 3,831.68-5,752.64-2,274.56

Finding the Fourth Proportional to 3,831.68, 5,752.64 and 2,274.56

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Solution

The fourth proportional to 3,831.68, 5,752.64 and 2,274.56 is: 3,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.68 : 5,752.64 = 2,274.56 : x
  2. Step 2: Convert to fraction form
    3,831.68/5,752.64 = 2,274.56/x
  3. Step 3: Cross multiply
    3,831.68x = 5,752.64 × 2,274.56
  4. Step 4: Simplify right side
    3,831.68x = 13,084,724.84
  5. Step 5: Solve for x
    x = 13,084,724.84/3,831.68
  6. Step 6: Final answer
    x = 3,414.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.